Combined twin-nibbed marker and ball-point pen



FIG. 1 is a front elevational view of a combined twin-nibbed marker and ball-point pen showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view;

FIG. 7 is a perspective view in an exploded condition; and

FIG. 8 is a perspective view in an alternative exploded condition. 

The ornamental design for a combined twin-nibbed marker and ball-point pen, as shown and described. 